Number of multisets of nonempty words over binary alphabet where each letter occurs n times.
A360626
Number of multisets of nonempty words over binary alphabet where each letter occurs n times.
Terms
- a(0) =1a(1) =3a(2) =21a(3) =131a(4) =830a(5) =5066a(6) =30456a(7) =179256a(8) =1038593a(9) =5928071a(10) =33402561a(11) =186021335a(12) =1025162709a(13) =5596047683a(14) =30282832593a(15) =162573152651a(16) =866385400935
External references
- oeis: A360626